23. Determine whether each of these functions is a bijection from R to R. a) f(x) = 2x +1 b) f(x) = x2 +1 = x? +1
23. Determine whether each of these functions is a bijection from R to R. a) f(x) = 2x +1 b) f(x) = x2 +1 = x? +1
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Transcribed Image Text:23. Determine whether each of these functions is a bijection
from R to R.
a) f(x) = 2x +1
b) f(x) = x2 + 1
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